Home / 1,260,984.60-1,891,144.10-629,432.60

Finding the Fourth Proportional to 1,260,984.60, 1,891,144.10 and 629,432.60

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Solution

The fourth proportional to 1,260,984.60, 1,891,144.10 and 629,432.60 is: 943,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,984.60 : 1,891,144.10 = 629,432.60 : x
  2. Step 2: Convert to fraction form
    1,260,984.60/1,891,144.10 = 629,432.60/x
  3. Step 3: Cross multiply
    1,260,984.60x = 1,891,144.10 × 629,432.60
  4. Step 4: Simplify right side
    1,260,984.60x = 1,190,347,747,837.66
  5. Step 5: Solve for x
    x = 1,190,347,747,837.66/1,260,984.60
  6. Step 6: Final answer
    x = 943,982.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.